12182011 has 4 divisors (see below), whose sum is σ = 12203352. Its totient is φ = 12160672.

The previous prime is 12182003. The next prime is 12182033. The reversal of 12182011 is 11028121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12182011 - 2³ = 12182003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12182041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9790 + ... + 10963.

It is an arithmetic number, because the mean of its divisors is an integer number (3050838).

Almost surely, 2^12182011 is an apocalyptic number.

12182011 is a deficient number, since it is larger than the sum of its proper divisors (21341).

12182011 is an equidigital number, since it uses as much as digits as its factorization.

12182011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21340.

The product of its (nonzero) digits is 32, while the sum is 16.

The square root of 12182011 is about 3490.2737714970. The cubic root of 12182011 is about 230.0945483993.

The spelling of 12182011 in words is "twelve million, one hundred eighty-two thousand, eleven".